protected override void OnRefresh()
{
HeliosPanel panel = Visual as HeliosPanel;
if (panel != null)
{
_backgroundImage = ConfigManager.ImageManager.LoadImage(panel.BackgroundImage);
_backgroundBrush = null;
if (_backgroundImage != null)
{
_backgroundBrush = new ImageBrush(_backgroundImage);
switch (panel.BackgroundAlignment)
{
case ImageAlignment.Centered:
_backgroundBrush.Stretch = Stretch.None;
_backgroundBrush.TileMode = TileMode.None;
_backgroundBrush.Viewport = new Rect(0d, 0d, 1d, 1d);
_backgroundBrush.ViewportUnits = BrushMappingMode.RelativeToBoundingBox;
break;
case ImageAlignment.Stretched:
_backgroundBrush.Stretch = Stretch.Fill;
_backgroundBrush.TileMode = TileMode.None;
_backgroundBrush.Viewport = new Rect(0d, 0d, 1d, 1d);
_backgroundBrush.ViewportUnits = BrushMappingMode.RelativeToBoundingBox;
break;
case ImageAlignment.Tiled:
_backgroundBrush.Stretch = Stretch.None;
_backgroundBrush.TileMode = TileMode.Tile;
_backgroundBrush.Viewport = new Rect(0d, 0d, _backgroundImage.Width, _backgroundImage.Height);
_backgroundBrush.ViewportUnits = BrushMappingMode.Absolute;
break;
}
}
_topBorderImage = ConfigManager.ImageManager.LoadImage(panel.TopBorderImage);
_rightBorderImage = ConfigManager.ImageManager.LoadImage(panel.RightBorderImage);
_bottomBorderImage = ConfigManager.ImageManager.LoadImage(panel.BottomBorderImage);
_leftBorderImage = ConfigManager.ImageManager.LoadImage(panel.LeftBorderImage);
_topLeftCornerImage = ConfigManager.ImageManager.LoadImage(panel.TopLeftCornerImage);
_topRigthCornerImage = ConfigManager.ImageManager.LoadImage(panel.TopRightCornerImage);
_bottomLeftCornerImage = ConfigManager.ImageManager.LoadImage(panel.BottomLeftCornerImage);
_bottomRightCornerImage = ConfigManager.ImageManager.LoadImage(panel.BottomRightCornerImage);
}
}
protected override void OnRender(DrawingContext drawingContext)
{
HeliosPanel panel = Visual as HeliosPanel;
if (panel != null)
{
double width = panel.Width;
double height = panel.Height;
// TODO Subtract top/left/bottom/right border sizes from background draw (this will allow for rounded transparent corners).
if (panel.FillBackground)
{
drawingContext.DrawRectangle(new SolidColorBrush(panel.BackgroundColor), null, new Rect(0, 0, width, height));
}
if (_backgroundBrush != null)
{
drawingContext.DrawRectangle(_backgroundBrush, null, new Rect(0, 0, width, height));
}
if (panel.DrawBorder)
{
if (_topBorderImage != null)
{
drawingContext.DrawImage(_topBorderImage, new Rect(0, 0, width, _topBorderImage.Height));
}
if (_rightBorderImage != null)
{
drawingContext.DrawImage(_rightBorderImage, new Rect(width - _rightBorderImage.Width, 0, _rightBorderImage.Width, height));
}
if (_bottomBorderImage != null)
{
drawingContext.DrawImage(_bottomBorderImage, new Rect(0, height - _bottomBorderImage.Height, width, _bottomBorderImage.Height));
}
if (_leftBorderImage != null)
{
drawingContext.DrawImage(_leftBorderImage, new Rect(0, 0, _leftBorderImage.Width, height));
}
if (_topLeftCornerImage != null)
{
drawingContext.DrawImage(_topLeftCornerImage, new Rect(0, 0, _topLeftCornerImage.Width, _topLeftCornerImage.Height));
}
if (_topRigthCornerImage != null)
{
drawingContext.DrawImage(_topRigthCornerImage, new Rect(width - _topRigthCornerImage.Width, 0, _topRigthCornerImage.Width, _topRigthCornerImage.Height));
}
if (_bottomRightCornerImage != null)
{
drawingContext.DrawImage(_bottomRightCornerImage, new Rect(width - _bottomRightCornerImage.Width, height - _bottomRightCornerImage.Height, _bottomRightCornerImage.Width, _bottomRightCornerImage.Height));
}
if (_bottomLeftCornerImage != null)
{
drawingContext.DrawImage(_bottomLeftCornerImage, new Rect(0, height - _bottomLeftCornerImage.Height, _bottomLeftCornerImage.Width, _bottomLeftCornerImage.Height));
}
}
}
}
